uSDX SDR - Setting the “settings in the menus”

  Рет қаралды 19,946

M0JCF Ham Radio

M0JCF Ham Radio

Күн бұрын

Пікірлер: 115
@martinsmith8732
@martinsmith8732 3 жыл бұрын
No Mark, you are not an expert. You are the only expert on the uSDX from what I've seen. Keep up the good work. By the way, I've noticed a pretty good spike in your subscriptions.
@m0jcfhamradio75
@m0jcfhamradio75 3 жыл бұрын
Not an expert. Just self taught and enthusiastic :-)
@Simon-qn5wm
@Simon-qn5wm 2 жыл бұрын
Thanks for this. Very distorted tx audio on my uSDX that arrived today. Your settings have made it a lot better.
@MrParaFreak
@MrParaFreak 2 жыл бұрын
Hi, Thanks for nice videos! A tip (don’t know if you have fiund out yet): Push the function knob in and then turn while pushing and you have instant volume control! Cheers from an SWL (soon to be livensed) in Sweden
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
Thanks for the info. Someone else mentioned that a while back. These shortcuts are useful to know.
@sandyjohnston9457
@sandyjohnston9457 8 ай бұрын
A cautionary tale:- I used the push n turn volume control to change volume without going through the menu first, and it works BUT go past zero and the unit does a power cycle and resets to factory, loosing all settings I spent time changing.lol
@garycowger9579
@garycowger9579 2 жыл бұрын
Got My uSDR today and set it up like You said I was on 40m Made 2 contacts the first time I keyed the Mic My Ant is a 65 foot long wire no tuner and got a 5-8 report one station was 50 miles and the other was 178 miles away this was at 7:30 pm EST works grate ! and I was running only 3.6 watts
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
Good QRP work. Remember, my settings are not "absolute." You can tweak yours. Just don't go overboard. 3.6W is good and a 3dB gain will be 7W which is close to destroying the output section. And 3dB is only worth 1/2 and S point. Just strive for good TX audio at 3-5W output and you'll enjoy this rig for ages...
@guyhornbeck8940
@guyhornbeck8940 3 жыл бұрын
Thanks for the suggestions. Just received mine - I appreciate the guidance on both the setting levels and translating the setting definitions. Good work! De AE6FE
@markh995
@markh995 Жыл бұрын
Thank you. This was an excellent introductory walkthrough for the usdx and I've learned a ton from you already.
@rudylopezmachin
@rudylopezmachin Жыл бұрын
Congratulations, it's one of the most coherent videos I've seen about these Chinese QRP's, there are people who don't understand that for less than 100 U$S, you can't have a device with the features and quality of an Elecraft.😏 73
@terrybell8805
@terrybell8805 3 жыл бұрын
Thanks these setting cleaned up my tx distortion
@m0jcfhamradio75
@m0jcfhamradio75 3 жыл бұрын
It’s all there. You just need some patience. Many people don’t...
@terrybell8805
@terrybell8805 3 жыл бұрын
I found that if you hold the main button on whilst connecting up the supply it restores the radio back to original. It fixed the USB/LSB problem I had.
@m0jcfhamradio75
@m0jcfhamradio75 3 жыл бұрын
A reboot cures everything:-) Nice one...
@thejoker-ie1mm
@thejoker-ie1mm Жыл бұрын
Hi Mark, many thanks for this clear and thorough test. Greetings from Italy, 72 de IK2RGV 👋
@emmanuelgessat5677
@emmanuelgessat5677 Жыл бұрын
thank u for u intruction explications whis my antenna 20 watts just changed whis de cable modification on my antenna my connection perfect u setting thank u cool
@terrybell8805
@terrybell8805 3 жыл бұрын
Yeah it’s strange it was ok. I found if you hit the main button twice quick it steps up through the bands.
@crazyham
@crazyham Жыл бұрын
I'm over the Moon. Mine arrived today & with the help from your video, I have set it up & am amazed at how good it is for such a low price too. Thnx for the very Helpful Video mate. 73 de VK3VKe ⚡🙏⚡
@m0jcfhamradio75
@m0jcfhamradio75 Жыл бұрын
No problem. Now you'll have to build a (tr)uSDX :-) I was down your way in 1993. I drove the whole No1 (Bruce?) Highway with a mate. 26000Km and 4 1/2 months. Good fun.
@crazyham
@crazyham Жыл бұрын
@@m0jcfhamradio75 Wow, That's one heck of a trip mate. Sounds like an Awesome Adventure You Had too. 73 matey & keep up with the great Work ⚡🙏⚡
@michaelwurzer6791
@michaelwurzer6791 2 жыл бұрын
Hej Mark, ist's a real pleasure to listen, watch and try to understand what u are telling! It's funny, I was OFF for 40 years and one week ago I tried to check if amateur radio still exists (hi)... Just few hours before I found your channel I ordered this uSDX TODAY from china, and now I can learn a lot from u to start with - when hopefully it arrives in day's week's...year's...lightyear's... And who knows if my yeasu FT-221R (2m) and my FT-101E somewhere in a box in the house still work when I try to plug them in again..? So, u are doing a great job I think, and for oldschool OM's like me it feels very very well! Hope to hear u soon - from uSDX to uSDX / OM to OM :-) 73, DF7RO (Michael)
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
Good luck & welcome back.
@mikewhelan5992
@mikewhelan5992 2 жыл бұрын
Very helpful. My uSDX board has just arrived from Romania.. EI6AU
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
Catch you on 40m sometime! :-)
@crazyham
@crazyham Жыл бұрын
Thanks Mate. I just ordered One. Your video will be very helpful to me ⚡🙏⚡
@geoffreybawden6390
@geoffreybawden6390 Жыл бұрын
This helps. Thanks for the clear explanations.
@mfwwhelan7561
@mfwwhelan7561 Жыл бұрын
Can you tell me what does the right hand "Exit" button do ? Thanks, Mike
@m0jcfhamradio75
@m0jcfhamradio75 Жыл бұрын
I never use it, but to exit outbound menus.
@marcushale1931
@marcushale1931 Жыл бұрын
The 6m and 10m bug... is there more material out there about it?
@m0jcfhamradio75
@m0jcfhamradio75 Жыл бұрын
Mine work OK non 20m. But 6m is non existent. I'm self taught, but I'm sure others have fixed any bugs.
@cliveklein3076
@cliveklein3076 Жыл бұрын
Ive got issues trying to send data... Got the CAT lead working but it wont come out of TX, got the KEY/MIC lead set up as the (tr)sdx suggests the HP is straight forward... Cant seem to find answers...
@m0jcfhamradio75
@m0jcfhamradio75 Жыл бұрын
I'm generally SSB only so can't help with CAT.
@cliveklein3076
@cliveklein3076 Жыл бұрын
@@m0jcfhamradio75 Its taken days but ive managed to work out how to get the data side working..
@thomasrogen3739
@thomasrogen3739 2 жыл бұрын
Hello thanks for the video please let me know what antenna tuner and antenna you use thank you.
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
No problem. For these videos and this radio in particular an MFJ Versa Tuner 2 manual ATU and a 90' (30m) longwire with 9:1 UNUN and single ground rod.
@mewrongwayKOCXF
@mewrongwayKOCXF 6 ай бұрын
Just curious if the output power is adjustable? Or is it just BIAS? Thanks for the awesome info! 👍👍👍
@samcollins6394
@samcollins6394 3 жыл бұрын
Very much appreciated. Thanks
@alan4cars
@alan4cars 2 жыл бұрын
Very helpful. Thank you sir. 73 WA6MOW in Los Angeles
@franciscoalves5058
@franciscoalves5058 2 жыл бұрын
Is it possible to talk to the citizen band in the 27 mhz band?
@13HN870
@13HN870 2 жыл бұрын
Yes it works on 11m out of the box.
@mehr_wolf_weniger_adolf
@mehr_wolf_weniger_adolf 2 жыл бұрын
@@13HN870 It works on 1m, realy? What about the 45m band?
@13HN870
@13HN870 2 жыл бұрын
@@mehr_wolf_weniger_adolf Yes it works on 11m
@mehr_wolf_weniger_adolf
@mehr_wolf_weniger_adolf 2 жыл бұрын
@@13HN870 ok tx, does it work on 45m?
@13HN870
@13HN870 2 жыл бұрын
@@mehr_wolf_weniger_adolf I dont know 45m is Radio Band. On 40m Ham Band yes.
@Seattle_Drummer
@Seattle_Drummer 6 ай бұрын
Is that a swan 350 there i see just the corner of just to the right of the uSDRX?
@m0jcfhamradio75
@m0jcfhamradio75 6 ай бұрын
Yes. I have a Swan 350 a 400 and an English copy, the KW Atlanta.
@joeb4968
@joeb4968 5 ай бұрын
Tanks verry good vidéo, 👌
@Francois_Dupont
@Francois_Dupont 2 жыл бұрын
i dont know if you could help me. i am getting very tired of this. my uSDX+ has missing menu option. i cannot find menu 3.1 VOX option. as i cannot enable VOX it render FT8/JS8-call impossible.
@KN4YEM
@KN4YEM 2 жыл бұрын
over here vox has a issue like it dont want to stay enable.
@eacuatrogndecoalfagnd5295
@eacuatrogndecoalfagnd5295 3 жыл бұрын
Noise Gate , IS the unique form regulate distorsión in ssb this transceiver no have ALC good settings For speech modulation
@usernamemykel
@usernamemykel 2 жыл бұрын
I've one of these radios on the way. Would I be correct that I'd also need an antenna tuner/swr meter for this multiband radio?
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
Unless you’re using a reasonant antenna on a particular band, you will need a tuner with meter.
@usernamemykel
@usernamemykel 2 жыл бұрын
@@m0jcfhamradio75 Thank you! Recommendation for an inexpensive, manual, att tuner/swr??
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
@@usernamemykel I can’t recommend a tuner per se, but only tell you what I use... MFJ Versa Tuner 2. It works well enough on all bands 160 - 10m. I also use a very old SEM with homebrew auto bridge. However, for QRP you could use a cheaper tuner or even a kit rated at 10W with a cheap SWR meter.
@billybigdinners7407
@billybigdinners7407 2 жыл бұрын
Thanks for the info.. Only thing I'm not sure of is the SWR meter how do you use that?
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
I don’t. I use an external tuner so no need for built in meter.
@billybigdinners7407
@billybigdinners7407 2 жыл бұрын
@@m0jcfhamradio75 I don't have a external SWR meter and not sure how to use the built in one.
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
My point is, I’ve not looked for the SWR setting on this as I’ve not needed it. Not even sure it had one?
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
My point is, I’ve not looked for the SWR setting on this as I’ve not needed it. Not even sure it had one?
@rogerlockwood7815
@rogerlockwood7815 11 ай бұрын
Thanks, this helps.
@USTradeDollar
@USTradeDollar 2 жыл бұрын
Great video! I've been looking for a radio like yours, and I bought the same one. It's been a long time since I even thought about getting into these frequencies aside of 2 meters. Could you please give me the parts I need to put you an antenna system like you have. I'm not sure of what I need. I have no room for an outdoor antenna. Please do write a manual for this radio, I would surely appreciate it. I'm now a subscriber to your channel.
@WadeAbout
@WadeAbout 2 жыл бұрын
Took mine for a walk the other evening. 1300km contact into vk4. Video on channel. VK1MIC
@siffler1234
@siffler1234 Жыл бұрын
if you double tap the vfo it flicks through the bands,
@m0jcfhamradio75
@m0jcfhamradio75 Жыл бұрын
Discovered that. This is an old video.
@N3WERHamRadioElmer
@N3WERHamRadioElmer 3 жыл бұрын
So far I like it but it's off freq I am sure it has an adjustment but not sure how to implement it
@m0jcfhamradio75
@m0jcfhamradio75 3 жыл бұрын
There’s a frequency adjustment. I can’t remember the menu off the top of my head but look for one that says 27000000 That’s where you adjust the TX frequency.
@pilotsvvv
@pilotsvvv 7 ай бұрын
There is mars mod for this item???
@m0jcfhamradio75
@m0jcfhamradio75 7 ай бұрын
If by that do you mean will it operate "out of band" then the answer is yes. Just keep turning the VFO. Be aware, no LPFs for out of band.
@rogerfethkenher3726
@rogerfethkenher3726 2 жыл бұрын
How do you set the power output????
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
Set the bias hi/lo settings correctly. This will be different depending on your setup.
@rogerfethkenher3726
@rogerfethkenher3726 2 жыл бұрын
I have a 125.5’end fed inverted V and power is 13.5 watts ,,, Very Best Regards Roger Fethkenher AD0YR USA,
@jeffkardosjr.3825
@jeffkardosjr.3825 2 жыл бұрын
@@m0jcfhamradio75 You're doing 20-150, how much higher do you think might be safe?
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
@@jeffkardosjr.3825 I’t’s not so much “what is safe” but what gives a clear modulation. This is Class E TX and very efficient. The difference between 4 & 8W is 1/2 an S point. Not worth revving the nuts off the finals for that.
@aardvarq
@aardvarq 3 жыл бұрын
Thanks Mark!
@marklowe7431
@marklowe7431 2 жыл бұрын
Great video. Sub'd
@electron0002
@electron0002 Жыл бұрын
Iv just got one today. But I find it not very good on FM audio is off frequency 11 meters
@m0jcfhamradio75
@m0jcfhamradio75 Жыл бұрын
You can set the oscillator clock frequency. Find the menu with 2700000 and increase that number by a few hundred.
@usernamemykel
@usernamemykel Жыл бұрын
What would be your recommended settings for CW practice with. alternately, a straight key and dual paddle? Many thanks!
@m0jcfhamradio75
@m0jcfhamradio75 Жыл бұрын
I don't use CW unfortunately. I just use it when tuning my ATU. I have both a straight and paddles for the future.
@usernamemykel
@usernamemykel Жыл бұрын
@@m0jcfhamradio75 Thank you
@N3WERHamRadioElmer
@N3WERHamRadioElmer 3 жыл бұрын
Will this do UK CB? or is it Band Limited?
@m0jcfhamradio75
@m0jcfhamradio75 3 жыл бұрын
It will go down from 10m to 11m but here are no specific LPFs for that band. It puts out RF on 11m, but I’ve not tried to use that band or check for harmonics...
@N3WERHamRadioElmer
@N3WERHamRadioElmer 3 жыл бұрын
@@m0jcfhamradio75 Very cool not to worry on 3rd. or 5th harmonics as for me this would be SWL use. Keep the videos going I made many QRP as you can see on the lower page on My QRZ Page 73's N3WER
@m0jcfhamradio75
@m0jcfhamradio75 3 жыл бұрын
@Pixie Flitwit Did it arrive?
@stefanopassarella1334
@stefanopassarella1334 3 жыл бұрын
Hi Mark, my usdx is out of frequency more than 2 khz. Instead of the original ref. frequency :27000000, I had to enter 26996550. That's works for 20 and 40 meters but for 21 and 28 I should correct more. Does anyone have the same problem? Thanks
@WadeAbout
@WadeAbout 2 жыл бұрын
Hey stefano. How did you calculate that?
@stefanopassarella1334
@stefanopassarella1334 2 жыл бұрын
@@WadeAbout Hi, nothing special really, I've just adjusted the knob couterclockwise on 8.3 menu, until I heard the correct signal using another radio as monitor. Several report then confirmed me I was centered in frequency, also in tx.
@WadeAbout
@WadeAbout 2 жыл бұрын
@@stefanopassarella1334 thanks.
@dovpauzner5093
@dovpauzner5093 2 жыл бұрын
Thanks !
@WadeAbout
@WadeAbout 2 жыл бұрын
One thing I don’t know how to do is actually start the cw beacon / stored message. Lol
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
Not done CW on it, but I’ll have a look later.
@liveudm
@liveudm 2 жыл бұрын
in CW mode, press the left button
@tiempoder
@tiempoder 3 жыл бұрын
Start at 12:10
@EndtimeWatchman777
@EndtimeWatchman777 2 жыл бұрын
I just got one of these they are tiny .
@terrybell8805
@terrybell8805 3 жыл бұрын
The radio now receives on USB but transmits on LSB and is again distorted !
@m0jcfhamradio75
@m0jcfhamradio75 3 жыл бұрын
That sounds like a software issue...
@terrybell8805
@terrybell8805 3 жыл бұрын
@@m0jcfhamradio75 all fixed after a reset
@mehr_wolf_weniger_adolf
@mehr_wolf_weniger_adolf 2 жыл бұрын
(: hi Did you set up the device yourself using a circuit diagram from the internet? Wow, how exactly did you go about doing that?
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
I got the basic settings from the internet forums then "tweaked" them until I got good transmit an receive results. I've also built two (tr)uSDX and from there learned more about SDR receivers and class E transmitters.
@mehr_wolf_weniger_adolf
@mehr_wolf_weniger_adolf 2 жыл бұрын
@@m0jcfhamradio75 Many thanks for the friendly and detailed answer! Question: Could you please post links to recommended forums? 73
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
@@mehr_wolf_weniger_adolf Have a look at the groups “(tr)uSDX” and “uSDX” on Facebook for a starting point. There you can ask questions or search for previous answers and get files.
@rogerfethkenher3726
@rogerfethkenher3726 2 жыл бұрын
Does this radio have a battery
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
Mine doesn’t, but some versions do.
@rogerfethkenher3726
@rogerfethkenher3726 2 жыл бұрын
@@m0jcfhamradio75 my battery does not work,,, should I forget about using the battery on try to replace it,,, I can use a external battery supply????
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
@@rogerfethkenher3726 As mine doen’t have a battery, it’s hard to advise. But, if it were me, I’d replace with 3 lithium cells in series or just use an external supply.
@rodneylamay5926
@rodneylamay5926 Жыл бұрын
Sorry bad spell check after having my usdx for about 1 year .
@zhaqirhussein
@zhaqirhussein 2 жыл бұрын
How much money ?
@m0jcfhamradio75
@m0jcfhamradio75 2 жыл бұрын
I paid £100 + tax
@ZS3PS7254
@ZS3PS7254 2 жыл бұрын
hi I have just received mine very much impressed thank you for your channel.
@pilotsvvv
@pilotsvvv 7 ай бұрын
Mars mod for this.... .
@au-tr8pv
@au-tr8pv 3 жыл бұрын
Как трансивер принемает 27-28 мгц.?
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